Feature: 1. The counterbore is deep and 9/16 wide. Fit my 6.5" speakers perfectly and screw right onto the speaker mount2. 2 spacers with 8 machine screws are included. Each spacer has a foam seal on one sideQuantity: 1
pairType: Heavy duty 6.5 inch Car
Speaker Spacer RingMaterial: Aluminum
alloyColor: SilverFits
Speaker Diameter: 6.5 inchInner
Diameter: 147mm / 5.79 inchOuter
Diameter: 167mm
/ 6.58 inchDepth: 17mm
/ 0.70 inchApplication: Suitable for most 6-1/2" car speakers, widely used in cars, boats, trucks, RV